/*引入网络字体*/

*{
    padding:0;
    margin:0;
}
li{
    list-style: none;
}
a {
    text-decoration: none;/*去掉下划线*/
    color: white;
}
a:hover{
    color: #ede0e9;
}

.clearfix:after{
    content: '';
    display: block;
    clear: both;
}

.top{
    position: fixed;
    top: 0;
    left: 0;
    padding: 15px 25px 25px;/*导航栏的内边距，只有上边距是15*/
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.6s;
}
.top-nav{
    position: relative;
    display: flex;
    justify-content: center;
    align-content: center;
    list-style: none;
    /*margin-left: 220px;!*导航距的左外边距*!*/
    margin: auto;
}
.top-nav li{
    position:relative;
    margin:0 20px;
    font-size: 15px;
    font-family: Consolas;/*字体*/
    font-weight: 400;/*字体粗细*/
    text-decoration: none;
}
.top-nav a{
    position: relative;
    color: white;/*字体颜色白色*/
    align-content: center;
    justify-content: center;
}
.top-nav a:hover{
    color: #f3e1e8;/*鼠标放上去之后的颜色*/
}

.bian{                                        /*有问题，相应的还是上一次的*/
    padding: 10px 25px 10px 25px;/*上边距变窄*/
    background-color: white;
    color: black;
    overflow:hidden;zoom:1/*清除浮动 无响应*/
}
.bian a{                            /*有问题*/
    color: black;
    /*flex: none;!*清除浮动,无响应*!*/
}